/**
 * Created by Administrator on 2017/8/3.
 */
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

/*! flatpickr v3.0.6, @license MIT */
function FlatpickrInstance(element, config) {
    var self = this;

    self._ = {};
    self._.afterDayAnim = afterDayAnim;
    self._bind = bind;
    self._compareDates = compareDates;
    self._setHoursFromDate = setHoursFromDate;
    self.changeMonth = changeMonth;
    self.changeYear = changeYear;
    self.clear = clear;
    self.close = close;
    self._createElement = createElement;
    self.destroy = destroy;
    self.isEnabled = isEnabled;
    self.jumpToDate = jumpToDate;
    self.open = open;
    self.redraw = redraw;
    self.set = set;
    self.setDate = setDate;
    self.toggle = toggle;

    function init() {
        self.element = self.input = element;
        self.instanceConfig = config || {};
        self.parseDate = FlatpickrInstance.prototype.parseDate.bind(self);
        self.formatDate = FlatpickrInstance.prototype.formatDate.bind(self);

        setupFormats();
        parseConfig();
        setupLocale();
        setupInputs();
        setupDates();
        setupHelperFunctions();

        self.isOpen = false;

        self.isMobile = !self.config.disableMobile && !self.config.inline && self.config.mode === "single" && !self.config.disable.length && !self.config.enable.length && !self.config.weekNumbers && /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);

        if (!self.isMobile) build();

        bindEvents();

        if (self.selectedDates.length || self.config.noCalendar) {
            if (self.config.enableTime) {
                setHoursFromDate(self.config.noCalendar ? self.latestSelectedDateObj || self.config.minDate : null);
            }
            updateValue();
        }

        self.showTimeInput = self.selectedDates.length > 0 || self.config.noCalendar;

        if (self.config.weekNumbers) {
            self.calendarContainer.style.width = self.daysContainer.offsetWidth + self.weekWrapper.offsetWidth + "px";
        }

        if (!self.isMobile) positionCalendar();

        triggerEvent("Ready");
    }

    /**
     * Binds a function to the current flatpickr instance
     * @param {Function} fn the function
     * @return {Function} the function bound to the instance
     */
    function bindToInstance(fn) {
        return fn.bind(self);
    }

    /**
     * The handler for all events targeting the time inputs
     * @param {Event} e the event - "input", "wheel", "increment", etc
     */
    function updateTime(e) {
        if (self.config.noCalendar && !self.selectedDates.length)
        // picking time only
            self.selectedDates = [self.now];

        timeWrapper(e);

        if (!self.selectedDates.length) return;

        if (!self.minDateHasTime || e.type !== "input" || e.target.value.length >= 2) {
            setHoursFromInputs();
            updateValue();
        } else {
            setTimeout(function () {
                setHoursFromInputs();
                updateValue();
            }, 1000);
        }
    }

    /**
     * Syncs the selected date object time with user's time input
     */
    function setHoursFromInputs() {
        if (!self.config.enableTime) return;

        var hours = (parseInt(self.hourElement.value, 10) || 0) % (self.amPM ? 12 : 24),
            minutes = (parseInt(self.minuteElement.value, 10) || 0) % 60,
            seconds = self.config.enableSeconds ? (parseInt(self.secondElement.value, 10) || 0) % 60 : 0;

        if (self.amPM !== undefined) hours = hours % 12 + 12 * (self.amPM.textContent === "PM");

        if (self.minDateHasTime && compareDates(self.latestSelectedDateObj, self.config.minDate) === 0) {

            hours = Math.max(hours, self.config.minDate.getHours());
            if (hours === self.config.minDate.getHours()) minutes = Math.max(minutes, self.config.minDate.getMinutes());
        }

        if (self.maxDateHasTime && compareDates(self.latestSelectedDateObj, self.config.maxDate) === 0) {
            hours = Math.min(hours, self.config.maxDate.getHours());
            if (hours === self.config.maxDate.getHours()) minutes = Math.min(minutes, self.config.maxDate.getMinutes());
        }

        setHours(hours, minutes, seconds);
    }

    /**
     * Syncs time input values with a date
     * @param {Date} dateObj the date to sync with
     */
    function setHoursFromDate(dateObj) {
        var date = dateObj || self.latestSelectedDateObj;

        if (date) setHours(date.getHours(), date.getMinutes(), date.getSeconds());
    }

    /**
     * Sets the hours, minutes, and optionally seconds
     * of the latest selected date object and the
     * corresponding time inputs
     * @param {Number} hours the hour. whether its military
     *                 or am-pm gets inferred from config
     * @param {Number} minutes the minutes
     * @param {Number} seconds the seconds (optional)
     */
    function setHours(hours, minutes, seconds) {
        if (self.selectedDates.length) {
            self.latestSelectedDateObj.setHours(hours % 24, minutes, seconds || 0, 0);
        }

        if (!self.config.enableTime || self.isMobile) return;

        self.hourElement.value = self.pad(!self.config.time_24hr ? (12 + hours) % 12 + 12 * (hours % 12 === 0) : hours);

        self.minuteElement.value = self.pad(minutes);

        if (!self.config.time_24hr) self.amPM.textContent = hours >= 12 ? "PM" : "AM";

        if (self.config.enableSeconds === true) self.secondElement.value = self.pad(seconds);
    }

    /**
     * Handles the year input and incrementing events
     * @param {Event} event the keyup or increment event
     */
    function onYearInput(event) {
        var year = event.target.value;
        if (event.delta) year = (parseInt(year) + event.delta).toString();

        if (year.length === 4 || event.key === "Enter") {
            self.currentYearElement.blur();
            if (!/[^\d]/.test(year)) changeYear(year);
        }
    }

    /**
     * Essentially addEventListener + tracking
     * @param {Element} element the element to addEventListener to
     * @param {String} event the event name
     * @param {Function} handler the event handler
     */
    function bind(element, event, handler) {
        if (event instanceof Array) return event.forEach(function (ev) {
            return bind(element, ev, handler);
        });

        if (element instanceof Array) return element.forEach(function (el) {
            return bind(el, event, handler);
        });

        element.addEventListener(event, handler);
        self._handlers.push({ element: element, event: event, handler: handler });
    }

    /**
     * A mousedown handler which mimics click.
     * Minimizes latency, since we don't need to wait for mouseup in most cases.
     * Also, avoids handling right clicks.
     *
     * @param {Function} handler the event handler
     */
    function onClick(handler) {
        return function (evt) {
            return evt.which === 1 && handler(evt);
        };
    }

    /**
     * Adds all the necessary event listeners
     */
    function bindEvents() {
        self._handlers = [];
        self._animationLoop = [];
        if (self.config.wrap) {
            ["open", "close", "toggle", "clear"].forEach(function (evt) {
                Array.prototype.forEach.call(self.element.querySelectorAll("[data-" + evt + "]"), function (el) {
                    return bind(el, "mousedown", onClick(self[evt]));
                });
            });
        }

        if (self.isMobile) return setupMobile();

        self.debouncedResize = debounce(onResize, 50);
        self.triggerChange = function () {
            triggerEvent("Change");
        };
        self.debouncedChange = debounce(self.triggerChange, 300);

        if (self.config.mode === "range" && self.daysContainer) bind(self.daysContainer, "mouseover", function (e) {
            return onMouseOver(e.target);
        });

        bind(window.document.body, "keydown", onKeyDown);

        if (!self.config.static) bind(self._input, "keydown", onKeyDown);

        if (!self.config.inline && !self.config.static) bind(window, "resize", self.debouncedResize);

        if (window.ontouchstart !== undefined) bind(window.document, "touchstart", documentClick);

        bind(window.document, "mousedown", onClick(documentClick));
        bind(self._input, "blur", documentClick);

        if (self.config.clickOpens === true) {
            bind(self._input, "focus", self.open);
            bind(self._input, "mousedown", onClick(self.open));
        }

        if (!self.config.noCalendar) {
            self.monthNav.addEventListener("wheel", function (e) {
                return e.preventDefault();
            });
            bind(self.monthNav, "wheel", debounce(onMonthNavScroll, 10));
            bind(self.monthNav, "mousedown", onClick(onMonthNavClick));

            bind(self.monthNav, ["keyup", "increment"], onYearInput);
            bind(self.daysContainer, "mousedown", onClick(selectDate));

            if (self.config.animate) {
                bind(self.daysContainer, ["webkitAnimationEnd", "animationend"], animateDays);
                bind(self.monthNav, ["webkitAnimationEnd", "animationend"], animateMonths);
            }
        }

        if (self.config.enableTime) {
            var selText = function selText(e) {
                return e.target.select();
            };
            bind(self.timeContainer, ["wheel", "input", "increment"], updateTime);
            bind(self.timeContainer, "mousedown", onClick(timeIncrement));

            bind(self.timeContainer, ["wheel", "increment"], self.debouncedChange);
            bind(self.timeContainer, "input", self.triggerChange);

            bind([self.hourElement, self.minuteElement], "focus", selText);

            if (self.secondElement !== undefined) bind(self.secondElement, "focus", function () {
                return self.secondElement.select();
            });

            if (self.amPM !== undefined) {
                bind(self.amPM, "mousedown", onClick(function (e) {
                    updateTime(e);
                    self.triggerChange(e);
                }));
            }
        }
    }

    function processPostDayAnimation() {
        for (var i = self._animationLoop.length; i--;) {
            self._animationLoop[i]();
            self._animationLoop.splice(i, 1);
        }
    }

    /**
     * Removes the day container that slided out of view
     * @param {Event} e the animation event
     */
    function animateDays(e) {
        if (self.daysContainer.childNodes.length > 1) {
            switch (e.animationName) {
                case "fpSlideLeft":
                    self.daysContainer.lastChild.classList.remove("slideLeftNew");
                    self.daysContainer.removeChild(self.daysContainer.firstChild);
                    self.days = self.daysContainer.firstChild;
                    processPostDayAnimation();

                    break;

                case "fpSlideRight":
                    self.daysContainer.firstChild.classList.remove("slideRightNew");
                    self.daysContainer.removeChild(self.daysContainer.lastChild);
                    self.days = self.daysContainer.firstChild;
                    processPostDayAnimation();

                    break;

                default:
                    break;
            }
        }
    }

    /**
     * Removes the month element that animated out of view
     * @param {Event} e the animation event
     */
    function animateMonths(e) {
        switch (e.animationName) {
            case "fpSlideLeftNew":
            case "fpSlideRightNew":
                self.navigationCurrentMonth.classList.remove("slideLeftNew");
                self.navigationCurrentMonth.classList.remove("slideRightNew");
                var nav = self.navigationCurrentMonth;

                while (nav.nextSibling && /curr/.test(nav.nextSibling.className)) {
                    self.monthNav.removeChild(nav.nextSibling);
                }while (nav.previousSibling && /curr/.test(nav.previousSibling.className)) {
                self.monthNav.removeChild(nav.previousSibling);
            }self.oldCurMonth = null;
                break;
        }
    }

    /**
     * Set the calendar view to a particular date.
     * @param {Date} jumpDate the date to set the view to
     */
    function jumpToDate(jumpDate) {
        jumpDate = jumpDate ? self.parseDate(jumpDate) : self.latestSelectedDateObj || (self.config.minDate > self.now ? self.config.minDate : self.config.maxDate && self.config.maxDate < self.now ? self.config.maxDate : self.now);

        try {
            self.currentYear = jumpDate.getFullYear();
            self.currentMonth = jumpDate.getMonth();
        } catch (e) {
            /* istanbul ignore next */
            console.error(e.stack);
            /* istanbul ignore next */
            console.warn("Invalid date supplied: " + jumpDate);
        }

        self.redraw();
    }

    /**
     * The up/down arrow handler for time inputs
     * @param {Event} e the click event
     */
    function timeIncrement(e) {
        if (~e.target.className.indexOf("arrow")) incrementNumInput(e, e.target.classList.contains("arrowUp") ? 1 : -1);
    }

    /**
     * Increments/decrements the value of input associ-
     * ated with the up/down arrow by dispatching an
     * "increment" event on the input.
     *
     * @param {Event} e the click event
     * @param {Number} delta the diff (usually 1 or -1)
     * @param {Element} inputElem the input element
     */
    function incrementNumInput(e, delta, inputElem) {
        var input = inputElem || e.target.parentNode.childNodes[0];
        var event = createEvent("increment");
        event.delta = delta;
        input.dispatchEvent(event);
    }

    function createNumberInput(inputClassName) {
        var wrapper = createElement("div", "numInputWrapper"),
            numInput = createElement("input", "numInput " + inputClassName),
            arrowUp = createElement("span", "arrowUp"),
            arrowDown = createElement("span", "arrowDown");

        numInput.type = "text";
        numInput.pattern = "\\d*";

        wrapper.appendChild(numInput);
        wrapper.appendChild(arrowUp);
        wrapper.appendChild(arrowDown);

        return wrapper;
    }

    function build() {
        var fragment = window.document.createDocumentFragment();
        self.calendarContainer = createElement("div", "flatpickr-calendar");
        self.calendarContainer.tabIndex = -1;

        if (!self.config.noCalendar) {
            fragment.appendChild(buildMonthNav());
            self.innerContainer = createElement("div", "flatpickr-innerContainer");

            if (self.config.weekNumbers) self.innerContainer.appendChild(buildWeeks());

            self.rContainer = createElement("div", "flatpickr-rContainer");
            self.rContainer.appendChild(buildWeekdays());

            if (!self.daysContainer) {
                self.daysContainer = createElement("div", "flatpickr-days");
                self.daysContainer.tabIndex = -1;
            }

            buildDays();
            self.rContainer.appendChild(self.daysContainer);

            self.innerContainer.appendChild(self.rContainer);
            fragment.appendChild(self.innerContainer);
        }

        if (self.config.enableTime) fragment.appendChild(buildTime());

        toggleClass(self.calendarContainer, "rangeMode", self.config.mode === "range");
        toggleClass(self.calendarContainer, "animate", self.config.animate);

        self.calendarContainer.appendChild(fragment);

        var customAppend = self.config.appendTo && self.config.appendTo.nodeType;

        if (self.config.inline || self.config.static) {
            self.calendarContainer.classList.add(self.config.inline ? "inline" : "static");

            if (self.config.inline && !customAppend) {
                return self.element.parentNode.insertBefore(self.calendarContainer, self._input.nextSibling);
            }

            if (self.config.static) {
                var wrapper = createElement("div", "flatpickr-wrapper");
                self.element.parentNode.insertBefore(wrapper, self.element);
                wrapper.appendChild(self.element);

                if (self.altInput) wrapper.appendChild(self.altInput);

                wrapper.appendChild(self.calendarContainer);
                return;
            }
        }

        (customAppend ? self.config.appendTo : window.document.body).appendChild(self.calendarContainer);
    }

    function createDay(className, date, dayNumber, i) {
        var dateIsEnabled = isEnabled(date, true),
            dayElement = createElement("span", "flatpickr-day " + className, date.getDate());

        dayElement.dateObj = date;
        dayElement.$i = i;
        dayElement.setAttribute("aria-label", self.formatDate(date, self.config.ariaDateFormat));

        if (compareDates(date, self.now) === 0) {
            self.todayDateElem = dayElement;
            dayElement.classList.add("today");
        }

        if (dateIsEnabled) {
            dayElement.tabIndex = -1;
            if (isDateSelected(date)) {
                dayElement.classList.add("selected");
                self.selectedDateElem = dayElement;
                if (self.config.mode === "range") {
                    toggleClass(dayElement, "startRange", compareDates(date, self.selectedDates[0]) === 0);

                    toggleClass(dayElement, "endRange", compareDates(date, self.selectedDates[1]) === 0);
                }
            }
        } else {
            dayElement.classList.add("disabled");
            if (self.selectedDates[0] && date > self.minRangeDate && date < self.selectedDates[0]) self.minRangeDate = date;else if (self.selectedDates[0] && date < self.maxRangeDate && date > self.selectedDates[0]) self.maxRangeDate = date;
        }

        if (self.config.mode === "range") {
            if (isDateInRange(date) && !isDateSelected(date)) dayElement.classList.add("inRange");

            if (self.selectedDates.length === 1 && (date < self.minRangeDate || date > self.maxRangeDate)) dayElement.classList.add("notAllowed");
        }

        if (self.config.weekNumbers && className !== "prevMonthDay" && dayNumber % 7 === 1) {
            self.weekNumbers.insertAdjacentHTML("beforeend", "<span class='disabled flatpickr-day'>" + self.config.getWeek(date) + "</span>");
        }

        triggerEvent("DayCreate", dayElement);

        return dayElement;
    }

    function focusOnDay(currentIndex, offset) {
        var newIndex = currentIndex + offset || 0,
            targetNode = currentIndex !== undefined ? self.days.childNodes[newIndex] : self.selectedDateElem || self.todayDateElem || self.days.childNodes[0],
            focus = function focus() {
                targetNode = targetNode || self.days.childNodes[newIndex];
                targetNode.focus();

                if (self.config.mode === "range") onMouseOver(targetNode);
            };

        if (targetNode === undefined && offset !== 0) {
            if (offset > 0) {
                self.changeMonth(1);
                newIndex = newIndex % 42;
            } else if (offset < 0) {
                self.changeMonth(-1);
                newIndex += 42;
            }

            return afterDayAnim(focus);
        }

        focus();
    }

    function afterDayAnim(fn) {
        if (self.config.animate === true) return self._animationLoop.push(fn);
        fn();
    }

    function buildDays(delta) {
        var firstOfMonth = (new Date(self.currentYear, self.currentMonth, 1).getDay() - self.l10n.firstDayOfWeek + 7) % 7,
            isRangeMode = self.config.mode === "range";

        self.prevMonthDays = self.utils.getDaysinMonth((self.currentMonth - 1 + 12) % 12);
        self.selectedDateElem = undefined;
        self.todayDateElem = undefined;

        var daysInMonth = self.utils.getDaysinMonth(),
            days = window.document.createDocumentFragment();

        var dayNumber = self.prevMonthDays + 1 - firstOfMonth,
            dayIndex = 0;

        if (self.config.weekNumbers && self.weekNumbers.firstChild) self.weekNumbers.textContent = "";

        if (isRangeMode) {
            // const dateLimits = self.config.enable.length || self.config.disable.length || self.config.mixDate || self.config.maxDate;
            self.minRangeDate = new Date(self.currentYear, self.currentMonth - 1, dayNumber);
            self.maxRangeDate = new Date(self.currentYear, self.currentMonth + 1, (42 - firstOfMonth) % daysInMonth);
        }

        // prepend days from the ending of previous month
        for (; dayNumber <= self.prevMonthDays; dayNumber++, dayIndex++) {
            days.appendChild(createDay("prevMonthDay", new Date(self.currentYear, self.currentMonth - 1, dayNumber), dayNumber, dayIndex));
        }

        // Start at 1 since there is no 0th day
        for (dayNumber = 1; dayNumber <= daysInMonth; dayNumber++, dayIndex++) {
            days.appendChild(createDay("", new Date(self.currentYear, self.currentMonth, dayNumber), dayNumber, dayIndex));
        }

        // append days from the next month
        for (var dayNum = daysInMonth + 1; dayNum <= 42 - firstOfMonth; dayNum++, dayIndex++) {
            days.appendChild(createDay("nextMonthDay", new Date(self.currentYear, self.currentMonth + 1, dayNum % daysInMonth), dayNum, dayIndex));
        }

        if (isRangeMode && self.selectedDates.length === 1 && days.childNodes[0]) {
            self._hidePrevMonthArrow = self._hidePrevMonthArrow || self.minRangeDate > days.childNodes[0].dateObj;

            self._hideNextMonthArrow = self._hideNextMonthArrow || self.maxRangeDate < new Date(self.currentYear, self.currentMonth + 1, 1);
        } else updateNavigationCurrentMonth();

        var dayContainer = createElement("div", "dayContainer");
        dayContainer.appendChild(days);

        if (!self.config.animate || delta === undefined) clearNode(self.daysContainer);else {
            while (self.daysContainer.childNodes.length > 1) {
                self.daysContainer.removeChild(self.daysContainer.firstChild);
            }
        }

        if (delta >= 0) self.daysContainer.appendChild(dayContainer);else self.daysContainer.insertBefore(dayContainer, self.daysContainer.firstChild);

        self.days = self.daysContainer.firstChild;
        return self.daysContainer;
    }

    function clearNode(node) {
        while (node.firstChild) {
            node.removeChild(node.firstChild);
        }
    }

    function buildMonthNav() {
        var monthNavFragment = window.document.createDocumentFragment();
        self.monthNav = createElement("div", "flatpickr-month");

        self.prevMonthNav = createElement("span", "flatpickr-prev-month");
        self.prevMonthNav.innerHTML = self.config.prevArrow;

        self.currentMonthElement = createElement("span", "cur-month");
        self.currentMonthElement.title = self.l10n.scrollTitle;

        var yearInput = createNumberInput("cur-year");
        self.currentYearElement = yearInput.childNodes[0];
        self.currentYearElement.title = self.l10n.scrollTitle;

        if (self.config.minDate) self.currentYearElement.min = self.config.minDate.getFullYear();

        if (self.config.maxDate) {
            self.currentYearElement.max = self.config.maxDate.getFullYear();

            self.currentYearElement.disabled = self.config.minDate && self.config.minDate.getFullYear() === self.config.maxDate.getFullYear();
        }

        self.nextMonthNav = createElement("span", "flatpickr-next-month");
        self.nextMonthNav.innerHTML = self.config.nextArrow;

        self.navigationCurrentMonth = createElement("span", "flatpickr-current-month");
        self.navigationCurrentMonth.appendChild(self.currentMonthElement);
        self.navigationCurrentMonth.appendChild(yearInput);

        monthNavFragment.appendChild(self.prevMonthNav);
        monthNavFragment.appendChild(self.navigationCurrentMonth);
        monthNavFragment.appendChild(self.nextMonthNav);
        self.monthNav.appendChild(monthNavFragment);

        Object.defineProperty(self, "_hidePrevMonthArrow", {
            get: function get() {
                return this.__hidePrevMonthArrow;
            },
            set: function set(bool) {
                if (this.__hidePrevMonthArrow !== bool) self.prevMonthNav.style.display = bool ? "none" : "block";
                this.__hidePrevMonthArrow = bool;
            }
        });

        Object.defineProperty(self, "_hideNextMonthArrow", {
            get: function get() {
                return this.__hideNextMonthArrow;
            },
            set: function set(bool) {
                if (this.__hideNextMonthArrow !== bool) self.nextMonthNav.style.display = bool ? "none" : "block";
                this.__hideNextMonthArrow = bool;
            }
        });

        updateNavigationCurrentMonth();

        return self.monthNav;
    }

    function buildTime() {
        self.calendarContainer.classList.add("hasTime");
        if (self.config.noCalendar) self.calendarContainer.classList.add("noCalendar");
        self.timeContainer = createElement("div", "flatpickr-time");
        self.timeContainer.tabIndex = -1;
        var separator = createElement("span", "flatpickr-time-separator", ":");

        var hourInput = createNumberInput("flatpickr-hour");
        self.hourElement = hourInput.childNodes[0];

        var minuteInput = createNumberInput("flatpickr-minute");
        self.minuteElement = minuteInput.childNodes[0];

        self.hourElement.tabIndex = self.minuteElement.tabIndex = -1;

        self.hourElement.value = self.pad(self.latestSelectedDateObj ? self.latestSelectedDateObj.getHours() : self.config.defaultHour);

        self.minuteElement.value = self.pad(self.latestSelectedDateObj ? self.latestSelectedDateObj.getMinutes() : self.config.defaultMinute);

        self.hourElement.step = self.config.hourIncrement;
        self.minuteElement.step = self.config.minuteIncrement;

        self.hourElement.min = self.config.time_24hr ? 0 : 1;
        self.hourElement.max = self.config.time_24hr ? 23 : 12;

        self.minuteElement.min = 0;
        self.minuteElement.max = 59;

        self.hourElement.title = self.minuteElement.title = self.l10n.scrollTitle;

        self.timeContainer.appendChild(hourInput);
        self.timeContainer.appendChild(separator);
        self.timeContainer.appendChild(minuteInput);

        if (self.config.time_24hr) self.timeContainer.classList.add("time24hr");

        if (self.config.enableSeconds) {
            self.timeContainer.classList.add("hasSeconds");

            var secondInput = createNumberInput("flatpickr-second");
            self.secondElement = secondInput.childNodes[0];

            self.secondElement.value = self.latestSelectedDateObj ? self.pad(self.latestSelectedDateObj.getSeconds()) : "00";

            self.secondElement.step = self.minuteElement.step;
            self.secondElement.min = self.minuteElement.min;
            self.secondElement.max = self.minuteElement.max;

            self.timeContainer.appendChild(createElement("span", "flatpickr-time-separator", ":"));
            self.timeContainer.appendChild(secondInput);
        }

        if (!self.config.time_24hr) {
            // add self.amPM if appropriate
            self.amPM = createElement("span", "flatpickr-am-pm", ["AM", "PM"][self.hourElement.value > 11 | 0]);
            self.amPM.title = self.l10n.toggleTitle;
            self.amPM.tabIndex = -1;
            self.timeContainer.appendChild(self.amPM);
        }

        return self.timeContainer;
    }

    function buildWeekdays() {
        if (!self.weekdayContainer) self.weekdayContainer = createElement("div", "flatpickr-weekdays");

        var firstDayOfWeek = self.l10n.firstDayOfWeek;
        var weekdays = self.l10n.weekdays.shorthand.slice();

        if (firstDayOfWeek > 0 && firstDayOfWeek < weekdays.length) {
            weekdays = [].concat(weekdays.splice(firstDayOfWeek, weekdays.length), weekdays.splice(0, firstDayOfWeek));
        }

        self.weekdayContainer.innerHTML = "\n\t\t<span class=flatpickr-weekday>\n\t\t\t" + weekdays.join("</span><span class=flatpickr-weekday>") + "\n\t\t</span>\n\t\t";

        return self.weekdayContainer;
    }

    /* istanbul ignore next */
    function buildWeeks() {
        self.calendarContainer.classList.add("hasWeeks");
        self.weekWrapper = createElement("div", "flatpickr-weekwrapper");
        self.weekWrapper.appendChild(createElement("span", "flatpickr-weekday", self.l10n.weekAbbreviation));
        self.weekNumbers = createElement("div", "flatpickr-weeks");
        self.weekWrapper.appendChild(self.weekNumbers);

        return self.weekWrapper;
    }

    function changeMonth(value, is_offset, animate) {
        is_offset = is_offset === undefined || is_offset;
        var delta = is_offset ? value : value - self.currentMonth;
        var skipAnimations = !self.config.animate || animate === false;

        if (delta < 0 && self._hidePrevMonthArrow || delta > 0 && self._hideNextMonthArrow) return;

        self.currentMonth += delta;

        if (self.currentMonth < 0 || self.currentMonth > 11) {
            self.currentYear += self.currentMonth > 11 ? 1 : -1;
            self.currentMonth = (self.currentMonth + 12) % 12;

            triggerEvent("YearChange");
        }

        buildDays(!skipAnimations ? delta : undefined);

        if (skipAnimations) {
            triggerEvent("MonthChange");
            return updateNavigationCurrentMonth();
        }

        // remove possible remnants from clicking too fast
        var nav = self.navigationCurrentMonth;
        if (delta < 0) {
            while (nav.nextSibling && /curr/.test(nav.nextSibling.className)) {
                self.monthNav.removeChild(nav.nextSibling);
            }
        } else if (delta > 0) {
            while (nav.previousSibling && /curr/.test(nav.previousSibling.className)) {
                self.monthNav.removeChild(nav.previousSibling);
            }
        }

        self.oldCurMonth = self.navigationCurrentMonth;

        self.navigationCurrentMonth = self.monthNav.insertBefore(self.oldCurMonth.cloneNode(true), delta > 0 ? self.oldCurMonth.nextSibling : self.oldCurMonth);

        if (delta > 0) {
            self.daysContainer.firstChild.classList.add("slideLeft");
            self.daysContainer.lastChild.classList.add("slideLeftNew");

            self.oldCurMonth.classList.add("slideLeft");
            self.navigationCurrentMonth.classList.add("slideLeftNew");
        } else if (delta < 0) {
            self.daysContainer.firstChild.classList.add("slideRightNew");
            self.daysContainer.lastChild.classList.add("slideRight");

            self.oldCurMonth.classList.add("slideRight");
            self.navigationCurrentMonth.classList.add("slideRightNew");
        }

        self.currentMonthElement = self.navigationCurrentMonth.firstChild;
        self.currentYearElement = self.navigationCurrentMonth.lastChild.childNodes[0];

        updateNavigationCurrentMonth();
        self.oldCurMonth.firstChild.textContent = self.utils.monthToStr(self.currentMonth - delta);

        triggerEvent("MonthChange");

        if (document.activeElement && document.activeElement.$i) {
            var index = document.activeElement.$i;
            afterDayAnim(function () {
                focusOnDay(index, 0);
            });
        }
    }

    function clear(triggerChangeEvent) {
        self.input.value = "";

        if (self.altInput) self.altInput.value = "";

        if (self.mobileInput) self.mobileInput.value = "";

        self.selectedDates = [];
        self.latestSelectedDateObj = undefined;
        self.showTimeInput = false;

        self.redraw();

        if (triggerChangeEvent !== false)
        // triggerChangeEvent is true (default) or an Event
            triggerEvent("Change");
    }

    function close() {
        self.isOpen = false;

        if (!self.isMobile) {
            self.calendarContainer.classList.remove("open");
            self._input.classList.remove("active");
        }

        triggerEvent("Close");
    }

    function destroy() {
        if (self.config !== undefined) triggerEvent("Destroy");

        for (var i = self._handlers.length; i--;) {
            var h = self._handlers[i];
            h.element.removeEventListener(h.event, h.handler);
        }

        self._handlers = [];

        if (self.mobileInput) {
            if (self.mobileInput.parentNode) self.mobileInput.parentNode.removeChild(self.mobileInput);
            self.mobileInput = null;
        } else if (self.calendarContainer && self.calendarContainer.parentNode) self.calendarContainer.parentNode.removeChild(self.calendarContainer);

        if (self.altInput) {
            self.input.type = "text";
            if (self.altInput.parentNode) self.altInput.parentNode.removeChild(self.altInput);
            delete self.altInput;
        }

        if (self.input) {
            self.input.type = self.input._type;
            self.input.classList.remove("flatpickr-input");
            self.input.removeAttribute("readonly");
            self.input.value = "";
        }

        ["_showTimeInput", "latestSelectedDateObj", "_hideNextMonthArrow", "_hidePrevMonthArrow", "__hideNextMonthArrow", "__hidePrevMonthArrow", "isMobile", "isOpen", "selectedDateElem", "minDateHasTime", "maxDateHasTime", "days", "daysContainer", "_input", "_positionElement", "innerContainer", "rContainer", "monthNav", "todayDateElem", "calendarContainer", "weekdayContainer", "prevMonthNav", "nextMonthNav", "currentMonthElement", "currentYearElement", "navigationCurrentMonth", "selectedDateElem", "config"].forEach(function (k) {
            return delete self[k];
        });
    }

    function isCalendarElem(elem) {
        if (self.config.appendTo && self.config.appendTo.contains(elem)) return true;

        return self.calendarContainer.contains(elem);
    }

    function documentClick(e) {
        if (self.isOpen && !self.config.inline) {
            var isCalendarElement = isCalendarElem(e.target);
            var isInput = e.target === self.input || e.target === self.altInput || self.element.contains(e.target) ||
                // web components
                e.path && e.path.indexOf && (~e.path.indexOf(self.input) || ~e.path.indexOf(self.altInput));

            var lostFocus = e.type === "blur" ? isInput && e.relatedTarget && !isCalendarElem(e.relatedTarget) : !isInput && !isCalendarElement;

            if (lostFocus && self.config.ignoredFocusElements.indexOf(e.target) === -1) {
                self.close();

                if (self.config.mode === "range" && self.selectedDates.length === 1) {
                    self.clear(false);
                    self.redraw();
                }
            }
        }
    }

    function changeYear(newYear) {
        if (!newYear || self.currentYearElement.min && newYear < self.currentYearElement.min || self.currentYearElement.max && newYear > self.currentYearElement.max) return;

        var newYearNum = parseInt(newYear, 10),
            isNewYear = self.currentYear !== newYearNum;

        self.currentYear = newYearNum || self.currentYear;

        if (self.config.maxDate && self.currentYear === self.config.maxDate.getFullYear()) {
            self.currentMonth = Math.min(self.config.maxDate.getMonth(), self.currentMonth);
        } else if (self.config.minDate && self.currentYear === self.config.minDate.getFullYear()) {
            self.currentMonth = Math.max(self.config.minDate.getMonth(), self.currentMonth);
        }

        if (isNewYear) {
            self.redraw();
            triggerEvent("YearChange");
        }
    }

    function isEnabled(date, timeless) {
        if (self.config.minDate && compareDates(date, self.config.minDate, timeless !== undefined ? timeless : !self.minDateHasTime) < 0 || self.config.maxDate && compareDates(date, self.config.maxDate, timeless !== undefined ? timeless : !self.maxDateHasTime) > 0) return false;

        if (!self.config.enable.length && !self.config.disable.length) return true;

        var dateToCheck = self.parseDate(date, null, true); // timeless

        var bool = self.config.enable.length > 0,
            array = bool ? self.config.enable : self.config.disable;

        for (var i = 0, d; i < array.length; i++) {
            d = array[i];

            if (d instanceof Function && d(dateToCheck)) // disabled by function
                return bool;else if (d instanceof Date && d.getTime() === dateToCheck.getTime())
            // disabled by date
                return bool;else if (typeof d === "string" && self.parseDate(d, null, true).getTime() === dateToCheck.getTime())
            // disabled by date string
                return bool;else if ( // disabled by range
            (typeof d === "undefined" ? "undefined" : _typeof(d)) === "object" && d.from && d.to && dateToCheck >= d.from && dateToCheck <= d.to) return bool;
        }

        return !bool;
    }

    function onKeyDown(e) {
        var isInput = e.target === self._input;
        var calendarElem = isCalendarElem(e.target);
        var allowInput = self.config.allowInput;
        var allowKeydown = self.isOpen && (!allowInput || !isInput);
        var allowInlineKeydown = self.config.inline && isInput && !allowInput;

        if (e.key === "Enter" && allowInput && isInput) {
            self.setDate(self._input.value, true, e.target === self.altInput ? self.config.altFormat : self.config.dateFormat);
            return e.target.blur();
        } else if (calendarElem || allowKeydown || allowInlineKeydown) {
            var isTimeObj = self.timeContainer && self.timeContainer.contains(e.target);
            switch (e.key) {
                case "Enter":
                    if (isTimeObj) updateValue();else selectDate(e);

                    break;

                case "Escape":
                    // escape
                    e.preventDefault();
                    self.close();
                    break;

                case "ArrowLeft":
                case "ArrowRight":
                    if (!isTimeObj) {
                        e.preventDefault();

                        if (self.daysContainer) {
                            var _delta = e.key === "ArrowRight" ? 1 : -1;

                            if (!e.ctrlKey) focusOnDay(e.target.$i, _delta);else changeMonth(_delta, true);
                        } else if (self.config.enableTime && !isTimeObj) self.hourElement.focus();
                    }

                    break;

                case "ArrowUp":
                case "ArrowDown":
                    e.preventDefault();
                    var delta = e.key === "ArrowDown" ? 1 : -1;

                    if (self.daysContainer) {
                        if (e.ctrlKey) {
                            changeYear(self.currentYear - delta);
                            focusOnDay(e.target.$i, 0);
                        } else if (!isTimeObj) focusOnDay(e.target.$i, delta * 7);
                    } else if (self.config.enableTime) {
                        if (!isTimeObj) self.hourElement.focus();
                        updateTime(e);
                    }

                    break;

                case "Tab":
                    if (e.target === self.hourElement) {
                        e.preventDefault();
                        self.minuteElement.select();
                    } else if (e.target === self.minuteElement && (self.secondElement || self.amPM)) {
                        e.preventDefault();
                        (self.secondElement || self.amPM).focus();
                    } else if (e.target === self.secondElement) {
                        e.preventDefault();
                        self.amPM.focus();
                    }

                    break;

                case "a":
                    if (e.target === self.amPM) {
                        self.amPM.textContent = "AM";
                        setHoursFromInputs();
                        updateValue();
                    }
                    break;

                case "p":
                    if (e.target === self.amPM) {
                        self.amPM.textContent = "PM";
                        setHoursFromInputs();
                        updateValue();
                    }
                    break;

                default:
                    break;

            }

            triggerEvent("KeyDown", e);
        }
    }

    function onMouseOver(elem) {
        if (self.selectedDates.length !== 1 || !elem.classList.contains("flatpickr-day")) return;

        var hoverDate = elem.dateObj,
            initialDate = self.parseDate(self.selectedDates[0], null, true),
            rangeStartDate = Math.min(hoverDate.getTime(), self.selectedDates[0].getTime()),
            rangeEndDate = Math.max(hoverDate.getTime(), self.selectedDates[0].getTime()),
            containsDisabled = false;

        for (var t = rangeStartDate; t < rangeEndDate; t += self.utils.duration.DAY) {
            if (!isEnabled(new Date(t))) {
                containsDisabled = true;
                break;
            }
        }

        var _loop = function _loop(timestamp, i) {
            var outOfRange = timestamp < self.minRangeDate.getTime() || timestamp > self.maxRangeDate.getTime(),
                dayElem = self.days.childNodes[i];

            if (outOfRange) {
                self.days.childNodes[i].classList.add("notAllowed");
                ["inRange", "startRange", "endRange"].forEach(function (c) {
                    dayElem.classList.remove(c);
                });
                return "continue";
            } else if (containsDisabled && !outOfRange) return "continue";

            ["startRange", "inRange", "endRange", "notAllowed"].forEach(function (c) {
                dayElem.classList.remove(c);
            });

            var minRangeDate = Math.max(self.minRangeDate.getTime(), rangeStartDate),
                maxRangeDate = Math.min(self.maxRangeDate.getTime(), rangeEndDate);

            elem.classList.add(hoverDate < self.selectedDates[0] ? "startRange" : "endRange");

            if (initialDate < hoverDate && timestamp === initialDate.getTime()) dayElem.classList.add("startRange");else if (initialDate > hoverDate && timestamp === initialDate.getTime()) dayElem.classList.add("endRange");

            if (timestamp >= minRangeDate && timestamp <= maxRangeDate) dayElem.classList.add("inRange");
        };

        for (var timestamp = self.days.childNodes[0].dateObj.getTime(), i = 0; i < 42; i++, timestamp += self.utils.duration.DAY) {
            var _ret = _loop(timestamp, i);

            if (_ret === "continue") continue;
        }
    }

    function onResize() {
        if (self.isOpen && !self.config.static && !self.config.inline) positionCalendar();
    }

    function open(e, positionElement) {
        if (self.isMobile) {
            if (e) {
                e.preventDefault();
                e.target.blur();
            }

            setTimeout(function () {
                self.mobileInput.click();
            }, 0);

            triggerEvent("Open");
            return;
        }

        if (self.isOpen || self._input.disabled || self.config.inline) return;

        self.isOpen = true;
        self.calendarContainer.classList.add("open");
        positionCalendar(positionElement);
        self._input.classList.add("active");

        triggerEvent("Open");
    }

    function minMaxDateSetter(type) {
        return function (date) {
            var dateObj = self.config["_" + type + "Date"] = self.parseDate(date);

            var inverseDateObj = self.config["_" + (type === "min" ? "max" : "min") + "Date"];
            var isValidDate = date && dateObj instanceof Date;

            if (isValidDate) {
                self[type + "DateHasTime"] = dateObj.getHours() || dateObj.getMinutes() || dateObj.getSeconds();
            }

            if (self.selectedDates) {
                self.selectedDates = self.selectedDates.filter(function (d) {
                    return isEnabled(d);
                });
                if (!self.selectedDates.length && type === "min") setHoursFromDate(dateObj);
                updateValue();
            }

            if (self.daysContainer) {
                redraw();

                if (isValidDate) self.currentYearElement[type] = dateObj.getFullYear();else self.currentYearElement.removeAttribute(type);

                self.currentYearElement.disabled = inverseDateObj && dateObj && inverseDateObj.getFullYear() === dateObj.getFullYear();
            }
        };
    }

    function parseConfig() {
        var boolOpts = ["wrap", "weekNumbers", "allowInput", "clickOpens", "time_24hr", "enableTime", "noCalendar", "altInput", "shorthandCurrentMonth", "inline", "static", "enableSeconds", "disableMobile"];

        var hooks = ["onChange", "onClose", "onDayCreate", "onDestroy", "onKeyDown", "onMonthChange", "onOpen", "onParseConfig", "onReady", "onValueUpdate", "onYearChange"];

        self.config = Object.create(flatpickr.defaultConfig);

        var userConfig = _extends({}, self.instanceConfig, JSON.parse(JSON.stringify(self.element.dataset || {})));

        self.config.parseDate = userConfig.parseDate;
        self.config.formatDate = userConfig.formatDate;

        Object.defineProperty(self.config, "enable", {
            get: function get() {
                return self.config._enable || [];
            },
            set: function set(dates) {
                return self.config._enable = parseDateRules(dates);
            }
        });

        Object.defineProperty(self.config, "disable", {
            get: function get() {
                return self.config._disable || [];
            },
            set: function set(dates) {
                return self.config._disable = parseDateRules(dates);
            }
        });

        _extends(self.config, userConfig);

        if (!userConfig.dateFormat && userConfig.enableTime) {
            self.config.dateFormat = self.config.noCalendar ? "H:i" + (self.config.enableSeconds ? ":S" : "") : flatpickr.defaultConfig.dateFormat + " H:i" + (self.config.enableSeconds ? ":S" : "");
        }

        if (userConfig.altInput && userConfig.enableTime && !userConfig.altFormat) {
            self.config.altFormat = self.config.noCalendar ? "h:i" + (self.config.enableSeconds ? ":S K" : " K") : flatpickr.defaultConfig.altFormat + (" h:i" + (self.config.enableSeconds ? ":S" : "") + " K");
        }

        Object.defineProperty(self.config, "minDate", {
            get: function get() {
                return this._minDate;
            },
            set: minMaxDateSetter("min")
        });

        Object.defineProperty(self.config, "maxDate", {
            get: function get() {
                return this._maxDate;
            },
            set: minMaxDateSetter("max")
        });

        self.config.minDate = userConfig.minDate;
        self.config.maxDate = userConfig.maxDate;

        for (var i = 0; i < boolOpts.length; i++) {
            self.config[boolOpts[i]] = self.config[boolOpts[i]] === true || self.config[boolOpts[i]] === "true";
        }for (var _i = hooks.length; _i--;) {
            if (self.config[hooks[_i]] !== undefined) {
                self.config[hooks[_i]] = arrayify(self.config[hooks[_i]] || []).map(bindToInstance);
            }
        }

        for (var _i2 = 0; _i2 < self.config.plugins.length; _i2++) {
            var pluginConf = self.config.plugins[_i2](self) || {};
            for (var key in pluginConf) {

                if (self.config[key] instanceof Array || ~hooks.indexOf(key)) {
                    self.config[key] = arrayify(pluginConf[key]).map(bindToInstance).concat(self.config[key]);
                } else if (typeof userConfig[key] === "undefined") self.config[key] = pluginConf[key];
            }
        }

        triggerEvent("ParseConfig");
    }

    function setupLocale() {
        if (_typeof(self.config.locale) !== "object" && typeof flatpickr.l10ns[self.config.locale] === "undefined") console.warn("flatpickr: invalid locale " + self.config.locale);

        self.l10n = _extends(Object.create(flatpickr.l10ns.default), _typeof(self.config.locale) === "object" ? self.config.locale : self.config.locale !== "default" ? flatpickr.l10ns[self.config.locale] || {} : {});
    }

    function positionCalendar() {
        var positionElement = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : self._positionElement;

        if (self.calendarContainer === undefined) return;

        var calendarHeight = self.calendarContainer.offsetHeight,
            calendarWidth = self.calendarContainer.offsetWidth,
            configPos = self.config.position,
            inputBounds = positionElement.getBoundingClientRect(),
            distanceFromBottom = window.innerHeight - inputBounds.bottom,
            showOnTop = configPos === "above" || configPos !== "below" && distanceFromBottom < calendarHeight && inputBounds.top > calendarHeight;

        var top = window.pageYOffset + inputBounds.top + (!showOnTop ? positionElement.offsetHeight + 2 : -calendarHeight - 2);

        toggleClass(self.calendarContainer, "arrowTop", !showOnTop);
        toggleClass(self.calendarContainer, "arrowBottom", showOnTop);

        if (self.config.inline) return;

        var left = window.pageXOffset + inputBounds.left;
        var right = window.document.body.offsetWidth - inputBounds.right;
        var rightMost = left + calendarWidth > window.document.body.offsetWidth;

        toggleClass(self.calendarContainer, "rightMost", rightMost);

        if (self.config.static) return;

        self.calendarContainer.style.top = top + "px";

        if (!rightMost) {
            self.calendarContainer.style.left = left + "px";
            self.calendarContainer.style.right = "auto";
        } else {
            self.calendarContainer.style.left = "auto";
            self.calendarContainer.style.right = right + "px";
        }
    }

    function redraw() {
        if (self.config.noCalendar || self.isMobile) return;

        buildWeekdays();
        updateNavigationCurrentMonth();
        buildDays();
    }

    function selectDate(e) {
        e.preventDefault();
        e.stopPropagation();

        if (!e.target.classList.contains("flatpickr-day") || e.target.classList.contains("disabled") || e.target.classList.contains("notAllowed")) return;

        var selectedDate = self.latestSelectedDateObj = new Date(e.target.dateObj.getTime());

        var shouldChangeMonth = selectedDate.getMonth() !== self.currentMonth && self.config.mode !== "range";

        self.selectedDateElem = e.target;

        if (self.config.mode === "single") self.selectedDates = [selectedDate];else if (self.config.mode === "multiple") {
            var selectedIndex = isDateSelected(selectedDate);
            if (selectedIndex) self.selectedDates.splice(selectedIndex, 1);else self.selectedDates.push(selectedDate);
        } else if (self.config.mode === "range") {
            if (self.selectedDates.length === 2) self.clear();

            self.selectedDates.push(selectedDate);

            // unless selecting same date twice, sort ascendingly
            if (compareDates(selectedDate, self.selectedDates[0], true) !== 0) self.selectedDates.sort(function (a, b) {
                return a.getTime() - b.getTime();
            });
        }

        setHoursFromInputs();

        if (shouldChangeMonth) {
            var isNewYear = self.currentYear !== selectedDate.getFullYear();
            self.currentYear = selectedDate.getFullYear();
            self.currentMonth = selectedDate.getMonth();

            if (isNewYear) triggerEvent("YearChange");

            triggerEvent("MonthChange");
        }

        buildDays();

        if (self.minDateHasTime && self.config.enableTime && compareDates(selectedDate, self.config.minDate) === 0) setHoursFromDate(self.config.minDate);

        updateValue();

        if (self.config.enableTime) setTimeout(function () {
            return self.showTimeInput = true;
        }, 50);

        if (self.config.mode === "range") {
            if (self.selectedDates.length === 1) {
                onMouseOver(e.target);

                self._hidePrevMonthArrow = self._hidePrevMonthArrow || self.minRangeDate > self.days.childNodes[0].dateObj;

                self._hideNextMonthArrow = self._hideNextMonthArrow || self.maxRangeDate < new Date(self.currentYear, self.currentMonth + 1, 1);
            } else updateNavigationCurrentMonth();
        }

        triggerEvent("Change");

        // maintain focus
        if (!shouldChangeMonth) focusOnDay(e.target.$i, 0);else afterDayAnim(function () {
            return self.selectedDateElem.focus();
        });

        if (self.config.enableTime) setTimeout(function () {
            return self.hourElement.select();
        }, 451);

        if (self.config.closeOnSelect) {
            var single = self.config.mode === "single" && !self.config.enableTime;
            var range = self.config.mode === "range" && self.selectedDates.length === 2 && !self.config.enableTime;

            if (single || range) self.close();
        }
    }

    function set(option, value) {
        self.config[option] = value;
        self.redraw();
        jumpToDate();
    }

    function setSelectedDate(inputDate, format) {
        if (inputDate instanceof Array) self.selectedDates = inputDate.map(function (d) {
            return self.parseDate(d, format);
        });else if (inputDate instanceof Date || !isNaN(inputDate)) self.selectedDates = [self.parseDate(inputDate, format)];else if (inputDate && inputDate.substring) {
            switch (self.config.mode) {
                case "single":
                    self.selectedDates = [self.parseDate(inputDate, format)];
                    break;

                case "multiple":
                    self.selectedDates = inputDate.split("; ").map(function (date) {
                        return self.parseDate(date, format);
                    });
                    break;

                case "range":
                    self.selectedDates = inputDate.split(self.l10n.rangeSeparator).map(function (date) {
                        return self.parseDate(date, format);
                    });

                    break;

                default:
                    break;
            }
        }

        self.selectedDates = self.selectedDates.filter(function (d) {
            return d instanceof Date && isEnabled(d, false);
        });

        self.selectedDates.sort(function (a, b) {
            return a.getTime() - b.getTime();
        });
    }

    function setDate(date, triggerChange, format) {
        if (date !== 0 && !date) return self.clear(triggerChange);

        setSelectedDate(date, format);

        self.showTimeInput = self.selectedDates.length > 0;
        self.latestSelectedDateObj = self.selectedDates[0];

        self.redraw();
        jumpToDate();

        setHoursFromDate();
        updateValue(triggerChange);

        if (triggerChange) triggerEvent("Change");
    }

    function parseDateRules(arr) {
        for (var i = arr.length; i--;) {
            if (typeof arr[i] === "string" || +arr[i]) arr[i] = self.parseDate(arr[i], null, true);else if (arr[i] && arr[i].from && arr[i].to) {
                arr[i].from = self.parseDate(arr[i].from);
                arr[i].to = self.parseDate(arr[i].to);
            }
        }

        return arr.filter(function (x) {
            return x;
        }); // remove falsy values
    }

    function setupDates() {
        self.selectedDates = [];
        self.now = new Date();

        var preloadedDate = self.config.defaultDate || self.input.value;
        if (preloadedDate) setSelectedDate(preloadedDate, self.config.dateFormat);

        var initialDate = self.selectedDates.length ? self.selectedDates[0] : self.config.minDate && self.config.minDate.getTime() > self.now ? self.config.minDate : self.config.maxDate && self.config.maxDate.getTime() < self.now ? self.config.maxDate : self.now;

        self.currentYear = initialDate.getFullYear();
        self.currentMonth = initialDate.getMonth();

        if (self.selectedDates.length) self.latestSelectedDateObj = self.selectedDates[0];

        self.minDateHasTime = self.config.minDate && (self.config.minDate.getHours() || self.config.minDate.getMinutes() || self.config.minDate.getSeconds());

        self.maxDateHasTime = self.config.maxDate && (self.config.maxDate.getHours() || self.config.maxDate.getMinutes() || self.config.maxDate.getSeconds());

        Object.defineProperty(self, "latestSelectedDateObj", {
            get: function get() {
                return self._selectedDateObj || self.selectedDates[self.selectedDates.length - 1];
            },
            set: function set(date) {
                self._selectedDateObj = date;
            }
        });

        if (!self.isMobile) {
            Object.defineProperty(self, "showTimeInput", {
                get: function get() {
                    return self._showTimeInput;
                },
                set: function set(bool) {
                    self._showTimeInput = bool;
                    if (self.calendarContainer) toggleClass(self.calendarContainer, "showTimeInput", bool);
                    positionCalendar();
                }
            });
        }
    }

    function setupHelperFunctions() {
        self.utils = {
            duration: {
                DAY: 86400000
            },
            getDaysinMonth: function getDaysinMonth(month, yr) {
                month = typeof month === "undefined" ? self.currentMonth : month;

                yr = typeof yr === "undefined" ? self.currentYear : yr;

                if (month === 1 && (yr % 4 === 0 && yr % 100 !== 0 || yr % 400 === 0)) return 29;

                return self.l10n.daysInMonth[month];
            },
            monthToStr: function monthToStr(monthNumber, shorthand) {
                shorthand = typeof shorthand === "undefined" ? self.config.shorthandCurrentMonth : shorthand;

                return self.l10n.months[(shorthand ? "short" : "long") + "hand"][monthNumber];
            }
        };
    }

    /* istanbul ignore next */
    function setupFormats() {
        self.formats = Object.create(FlatpickrInstance.prototype.formats);
        ["D", "F", "J", "M", "W", "l"].forEach(function (f) {
            self.formats[f] = FlatpickrInstance.prototype.formats[f].bind(self);
        });

        self.revFormat.F = FlatpickrInstance.prototype.revFormat.F.bind(self);
        self.revFormat.M = FlatpickrInstance.prototype.revFormat.M.bind(self);
    }

    function setupInputs() {
        self.input = self.config.wrap ? self.element.querySelector("[data-input]") : self.element;

        /* istanbul ignore next */
        if (!self.input) return console.warn("Error: invalid input element specified", self.input);

        self.input._type = self.input.type;
        self.input.type = "text";

        self.input.classList.add("flatpickr-input");
        self._input = self.input;

        if (self.config.altInput) {
            // replicate self.element
            self.altInput = createElement(self.input.nodeName, self.input.className + " " + self.config.altInputClass);
            self._input = self.altInput;
            self.altInput.placeholder = self.input.placeholder;
            self.altInput.disabled = self.input.disabled;
            self.altInput.required = self.input.required;
            self.altInput.type = "text";
            self.input.type = "hidden";

            if (!self.config.static && self.input.parentNode) self.input.parentNode.insertBefore(self.altInput, self.input.nextSibling);
        }

        if (!self.config.allowInput) self._input.setAttribute("readonly", "readonly");

        self._positionElement = self.config.positionElement || self._input;
    }

    function setupMobile() {
        var inputType = self.config.enableTime ? self.config.noCalendar ? "time" : "datetime-local" : "date";

        self.mobileInput = createElement("input", self.input.className + " flatpickr-mobile");
        self.mobileInput.step = "any";
        self.mobileInput.tabIndex = 1;
        self.mobileInput.type = inputType;
        self.mobileInput.disabled = self.input.disabled;
        self.mobileInput.placeholder = self.input.placeholder;

        self.mobileFormatStr = inputType === "datetime-local" ? "Y-m-d\\TH:i:S" : inputType === "date" ? "Y-m-d" : "H:i:S";

        if (self.selectedDates.length) {
            self.mobileInput.defaultValue = self.mobileInput.value = self.formatDate(self.selectedDates[0], self.mobileFormatStr);
        }

        if (self.config.minDate) self.mobileInput.min = self.formatDate(self.config.minDate, "Y-m-d");

        if (self.config.maxDate) self.mobileInput.max = self.formatDate(self.config.maxDate, "Y-m-d");

        self.input.type = "hidden";
        if (self.config.altInput) self.altInput.type = "hidden";

        try {
            self.input.parentNode.insertBefore(self.mobileInput, self.input.nextSibling);
        } catch (e) {
            //
        }

        self.mobileInput.addEventListener("change", function (e) {
            self.setDate(e.target.value, false, self.mobileFormatStr);
            triggerEvent("Change");
            triggerEvent("Close");
        });
    }

    function toggle() {
        if (self.isOpen) return self.close();
        self.open();
    }

    function triggerEvent(event, data) {
        var hooks = self.config["on" + event];

        if (hooks !== undefined && hooks.length > 0) {
            for (var i = 0; hooks[i] && i < hooks.length; i++) {
                hooks[i](self.selectedDates, self.input.value, self, data);
            }
        }

        if (event === "Change") {
            self.input.dispatchEvent(createEvent("change"));

            // many front-end frameworks bind to the input event
            self.input.dispatchEvent(createEvent("input"));
        }
    }

    /**
     * Creates an Event, normalized across browsers
     * @param {String} name the event name, e.g. "click"
     * @return {Event} the created event
     */
    function createEvent(name) {
        if (self._supportsEvents) return new Event(name, { bubbles: true });

        self._[name + "Event"] = document.createEvent("Event");
        self._[name + "Event"].initEvent(name, true, true);
        return self._[name + "Event"];
    }

    function isDateSelected(date) {
        for (var i = 0; i < self.selectedDates.length; i++) {
            if (compareDates(self.selectedDates[i], date) === 0) return "" + i;
        }

        return false;
    }

    function isDateInRange(date) {
        if (self.config.mode !== "range" || self.selectedDates.length < 2) return false;
        return compareDates(date, self.selectedDates[0]) >= 0 && compareDates(date, self.selectedDates[1]) <= 0;
    }

    function updateNavigationCurrentMonth() {
        if (self.config.noCalendar || self.isMobile || !self.monthNav) return;

        self.currentMonthElement.textContent = self.utils.monthToStr(self.currentMonth) + " ";
        self.currentYearElement.value = self.currentYear;

        self._hidePrevMonthArrow = self.config.minDate && (self.currentYear === self.config.minDate.getFullYear() ? self.currentMonth <= self.config.minDate.getMonth() : self.currentYear < self.config.minDate.getFullYear());

        self._hideNextMonthArrow = self.config.maxDate && (self.currentYear === self.config.maxDate.getFullYear() ? self.currentMonth + 1 > self.config.maxDate.getMonth() : self.currentYear > self.config.maxDate.getFullYear());
    }

    /**
     * Updates the values of inputs associated with the calendar
     * @return {void}
     */
    function updateValue(triggerChange) {
        if (!self.selectedDates.length) return self.clear(triggerChange);

        if (self.isMobile) {
            self.mobileInput.value = self.selectedDates.length ? self.formatDate(self.latestSelectedDateObj, self.mobileFormatStr) : "";
        }

        var joinChar = self.config.mode !== "range" ? "; " : self.l10n.rangeSeparator;

        self.input.value = self.selectedDates.map(function (dObj) {
            return self.formatDate(dObj, self.config.dateFormat);
        }).join(joinChar);

        if (self.config.altInput) {
            self.altInput.value = self.selectedDates.map(function (dObj) {
                return self.formatDate(dObj, self.config.altFormat);
            }).join(joinChar);
        }

        if (triggerChange !== false) triggerEvent("ValueUpdate");
    }

    function mouseDelta(e) {
        return Math.max(-1, Math.min(1, e.wheelDelta || -e.deltaY));
    }

    function onMonthNavScroll(e) {
        e.preventDefault();
        var isYear = self.currentYearElement.parentNode.contains(e.target);

        if (e.target === self.currentMonthElement || isYear) {

            var delta = mouseDelta(e);

            if (isYear) {
                changeYear(self.currentYear + delta);
                e.target.value = self.currentYear;
            } else self.changeMonth(delta, true, false);
        }
    }

    function onMonthNavClick(e) {
        var isPrevMonth = self.prevMonthNav.contains(e.target);
        var isNextMonth = self.nextMonthNav.contains(e.target);

        if (isPrevMonth || isNextMonth) changeMonth(isPrevMonth ? -1 : 1);else if (e.target === self.currentYearElement) {
            e.preventDefault();
            self.currentYearElement.select();
        } else if (e.target.className === "arrowUp") self.changeYear(self.currentYear + 1);else if (e.target.className === "arrowDown") self.changeYear(self.currentYear - 1);
    }

    /**
     * Creates an HTMLElement with given tag, class, and textual content
     * @param {String} tag the HTML tag
     * @param {String} className the new element's class name
     * @param {String} content The new element's text content
     * @return {HTMLElement} the created HTML element
     */
    function createElement(tag, className, content) {
        var e = window.document.createElement(tag);
        className = className || "";
        content = content || "";

        e.className = className;

        if (content !== undefined) e.textContent = content;

        return e;
    }

    function arrayify(obj) {
        if (obj instanceof Array) return obj;
        return [obj];
    }

    function toggleClass(elem, className, bool) {
        if (bool) return elem.classList.add(className);
        elem.classList.remove(className);
    }

    /* istanbul ignore next */
    function debounce(func, wait, immediate) {
        var timeout = void 0;
        return function () {
            var context = this,
                args = arguments;
            clearTimeout(timeout);
            timeout = setTimeout(function () {
                timeout = null;
                if (!immediate) func.apply(context, args);
            }, wait);
            if (immediate && !timeout) func.apply(context, args);
        };
    }

    /**
     * Compute the difference in dates, measured in ms
     * @param {Date} date1
     * @param {Date} date2
     * @param {Boolean} timeless whether to reset times of both dates to 00:00
     * @return {Number} the difference in ms
     */
    function compareDates(date1, date2, timeless) {
        if (!(date1 instanceof Date) || !(date2 instanceof Date)) return false;

        if (timeless !== false) {
            return new Date(date1.getTime()).setHours(0, 0, 0, 0) - new Date(date2.getTime()).setHours(0, 0, 0, 0);
        }

        return date1.getTime() - date2.getTime();
    }

    function timeWrapper(e) {
        e.preventDefault();

        var isKeyDown = e.type === "keydown",
            isWheel = e.type === "wheel",
            isIncrement = e.type === "increment",
            input = e.target;

        if (self.amPM && e.target === self.amPM) return e.target.textContent = ["AM", "PM"][e.target.textContent === "AM" | 0];

        var min = Number(input.min),
            max = Number(input.max),
            step = Number(input.step),
            curValue = parseInt(input.value, 10),
            delta = e.delta || (!isKeyDown ? Math.max(-1, Math.min(1, e.wheelDelta || -e.deltaY)) || 0 : e.which === 38 ? 1 : -1);

        var newValue = curValue + step * delta;

        if (typeof input.value !== "undefined" && input.value.length === 2) {
            var isHourElem = input === self.hourElement,
                isMinuteElem = input === self.minuteElement;

            if (newValue < min) {
                newValue = max + newValue + !isHourElem + (isHourElem && !self.amPM);

                if (isMinuteElem) incrementNumInput(null, -1, self.hourElement);
            } else if (newValue > max) {
                newValue = input === self.hourElement ? newValue - max - !self.amPM : min;

                if (isMinuteElem) incrementNumInput(null, 1, self.hourElement);
            }

            if (self.amPM && isHourElem && (step === 1 ? newValue + curValue === 23 : Math.abs(newValue - curValue) > step)) self.amPM.textContent = self.amPM.textContent === "PM" ? "AM" : "PM";

            input.value = self.pad(newValue);
        }
    }

    init();
    return self;
}

FlatpickrInstance.prototype = {
    formats: {
        // get the date in UTC
        Z: function Z(date) {
            return date.toISOString();
        },

        // weekday name, short, e.g. Thu
        D: function D(date) {
            return this.l10n.weekdays.shorthand[this.formats.w(date)];
        },

        // full month name e.g. January
        F: function F(date) {
            return this.utils.monthToStr(this.formats.n(date) - 1, false);
        },

        // padded hour 1-12
        G: function G(date) {
            return FlatpickrInstance.prototype.pad(FlatpickrInstance.prototype.formats.h(date));
        },

        // hours with leading zero e.g. 03
        H: function H(date) {
            return FlatpickrInstance.prototype.pad(date.getHours());
        },

        // day (1-30) with ordinal suffix e.g. 1st, 2nd
        J: function J(date) {
            return date.getDate() + this.l10n.ordinal(date.getDate());
        },

        // AM/PM
        K: function K(date) {
            return date.getHours() > 11 ? "PM" : "AM";
        },

        // shorthand month e.g. Jan, Sep, Oct, etc
        M: function M(date) {
            return this.utils.monthToStr(date.getMonth(), true);
        },

        // seconds 00-59
        S: function S(date) {
            return FlatpickrInstance.prototype.pad(date.getSeconds());
        },

        // unix timestamp
        U: function U(date) {
            return date.getTime() / 1000;
        },

        W: function W(date) {
            return this.config.getWeek(date);
        },

        // full year e.g. 2016
        Y: function Y(date) {
            return date.getFullYear();
        },

        // day in month, padded (01-30)
        d: function d(date) {
            return FlatpickrInstance.prototype.pad(date.getDate());
        },

        // hour from 1-12 (am/pm)
        h: function h(date) {
            return date.getHours() % 12 ? date.getHours() % 12 : 12;
        },

        // minutes, padded with leading zero e.g. 09
        i: function i(date) {
            return FlatpickrInstance.prototype.pad(date.getMinutes());
        },

        // day in month (1-30)
        j: function j(date) {
            return date.getDate();
        },

        // weekday name, full, e.g. Thursday
        l: function l(date) {
            return this.l10n.weekdays.longhand[date.getDay()];
        },

        // padded month number (01-12)
        m: function m(date) {
            return FlatpickrInstance.prototype.pad(date.getMonth() + 1);
        },

        // the month number (1-12)
        n: function n(date) {
            return date.getMonth() + 1;
        },

        // seconds 0-59
        s: function s(date) {
            return date.getSeconds();
        },

        // number of the day of the week
        w: function w(date) {
            return date.getDay();
        },

        // last two digits of year e.g. 16 for 2016
        y: function y(date) {
            return String(date.getFullYear()).substring(2);
        }
    },

    /**
     * Formats a given Date object into a string based on supplied format
     * @param {Date} dateObj the date object
     * @param {String} frmt a string composed of formatting tokens e.g. "Y-m-d"
     * @return {String} The textual representation of the date e.g. 2017-02-03
     */
    formatDate: function formatDate(dateObj, frmt) {
        var _this = this;

        if (this.config !== undefined && this.config.formatDate !== undefined) return this.config.formatDate(dateObj, frmt);

        return frmt.split("").map(function (c, i, arr) {
            return _this.formats[c] && arr[i - 1] !== "\\" ? _this.formats[c](dateObj) : c !== "\\" ? c : "";
        }).join("");
    },


    revFormat: {
        D: function D() {},
        F: function F(dateObj, monthName) {
            dateObj.setMonth(this.l10n.months.longhand.indexOf(monthName));
        },
        G: function G(dateObj, hour) {
            dateObj.setHours(parseFloat(hour));
        },
        H: function H(dateObj, hour) {
            dateObj.setHours(parseFloat(hour));
        },
        J: function J(dateObj, day) {
            dateObj.setDate(parseFloat(day));
        },
        K: function K(dateObj, amPM) {
            var hours = dateObj.getHours();

            if (hours !== 12) dateObj.setHours(hours % 12 + 12 * /pm/i.test(amPM));
        },
        M: function M(dateObj, shortMonth) {
            dateObj.setMonth(this.l10n.months.shorthand.indexOf(shortMonth));
        },
        S: function S(dateObj, seconds) {
            dateObj.setSeconds(seconds);
        },
        U: function U(dateObj, unixSeconds) {
            return new Date(parseFloat(unixSeconds) * 1000);
        },

        W: function W(dateObj, weekNumber) {
            weekNumber = parseInt(weekNumber);
            return new Date(dateObj.getFullYear(), 0, 2 + (weekNumber - 1) * 7, 0, 0, 0, 0, 0);
        },
        Y: function Y(dateObj, year) {
            dateObj.setFullYear(year);
        },
        Z: function Z(dateObj, ISODate) {
            return new Date(ISODate);
        },

        d: function d(dateObj, day) {
            dateObj.setDate(parseFloat(day));
        },
        h: function h(dateObj, hour) {
            dateObj.setHours(parseFloat(hour));
        },
        i: function i(dateObj, minutes) {
            dateObj.setMinutes(parseFloat(minutes));
        },
        j: function j(dateObj, day) {
            dateObj.setDate(parseFloat(day));
        },
        l: function l() {},
        m: function m(dateObj, month) {
            dateObj.setMonth(parseFloat(month) - 1);
        },
        n: function n(dateObj, month) {
            dateObj.setMonth(parseFloat(month) - 1);
        },
        s: function s(dateObj, seconds) {
            dateObj.setSeconds(parseFloat(seconds));
        },
        w: function w() {},
        y: function y(dateObj, year) {
            dateObj.setFullYear(2000 + parseFloat(year));
        }
    },

    tokenRegex: {
        D: "(\\w+)",
        F: "(\\w+)",
        G: "(\\d\\d|\\d)",
        H: "(\\d\\d|\\d)",
        J: "(\\d\\d|\\d)\\w+",
        K: "(am|AM|Am|aM|pm|PM|Pm|pM)",
        M: "(\\w+)",
        S: "(\\d\\d|\\d)",
        U: "(.+)",
        W: "(\\d\\d|\\d)",
        Y: "(\\d{4})",
        Z: "(.+)",
        d: "(\\d\\d|\\d)",
        h: "(\\d\\d|\\d)",
        i: "(\\d\\d|\\d)",
        j: "(\\d\\d|\\d)",
        l: "(\\w+)",
        m: "(\\d\\d|\\d)",
        n: "(\\d\\d|\\d)",
        s: "(\\d\\d|\\d)",
        w: "(\\d\\d|\\d)",
        y: "(\\d{2})"
    },

    pad: function pad(number) {
        return ("0" + number).slice(-2);
    },

    /**
     * Parses a date(+time) string into a Date object
     * @param {String} date the date string, e.g. 2017-02-03 14:45
     * @param {String} givenFormat the date format, e.g. Y-m-d H:i
     * @param {Boolean} timeless whether to reset the time of Date object
     * @return {Date} the parsed Date object
     */
    parseDate: function parseDate(date, givenFormat, timeless) {
        if (date !== 0 && !date) return null;

        var date_orig = date;

        if (date instanceof Date) date = new Date(date.getTime()); // create a copy

        else if (date.toFixed !== undefined) // timestamp
            date = new Date(date);else {
            // date string
            var format = givenFormat || (this.config || flatpickr.defaultConfig).dateFormat;
            date = String(date).trim();

            if (date === "today") {
                date = new Date();
                timeless = true;
            } else if (/Z$/.test(date) || /GMT$/.test(date)) // datestrings w/ timezone
                date = new Date(date);else if (this.config && this.config.parseDate) date = this.config.parseDate(date, format);else {
                var parsedDate = !this.config || !this.config.noCalendar ? new Date(new Date().getFullYear(), 0, 1, 0, 0, 0, 0) : new Date(new Date().setHours(0, 0, 0, 0));

                var matched = void 0;

                for (var i = 0, matchIndex = 0, regexStr = ""; i < format.length; i++) {
                    var token = format[i];
                    var isBackSlash = token === "\\";
                    var escaped = format[i - 1] === "\\" || isBackSlash;

                    if (this.tokenRegex[token] && !escaped) {
                        regexStr += this.tokenRegex[token];
                        var match = new RegExp(regexStr).exec(date);
                        if (match && (matched = true)) {
                            parsedDate = this.revFormat[token](parsedDate, match[++matchIndex]) || parsedDate;
                        }
                    } else if (!isBackSlash) regexStr += "."; // don't really care
                }

                date = matched ? parsedDate : null;
            }
        }

        /* istanbul ignore next */
        if (!(date instanceof Date)) {
            console.warn("flatpickr: invalid date " + date_orig);
            console.info(this.element);
            return null;
        }

        if (timeless === true) date.setHours(0, 0, 0, 0);

        return date;
    }
};

/* istanbul ignore next */
function _flatpickr(nodeList, config) {
    var nodes = Array.prototype.slice.call(nodeList); // static list
    var instances = [];
    for (var i = 0; i < nodes.length; i++) {
        try {
            if (nodes[i].getAttribute("data-fp-omit") !== null) continue;

            if (nodes[i]._flatpickr) {
                nodes[i]._flatpickr.destroy();
                nodes[i]._flatpickr = null;
            }

            nodes[i]._flatpickr = new FlatpickrInstance(nodes[i], config || {});
            instances.push(nodes[i]._flatpickr);
        } catch (e) {
            console.warn(e, e.stack);
        }
    }

    return instances.length === 1 ? instances[0] : instances;
}

/* istanbul ignore next */
if (typeof HTMLElement !== "undefined") {
    // browser env
    HTMLCollection.prototype.flatpickr = NodeList.prototype.flatpickr = function (config) {
        return _flatpickr(this, config);
    };

    HTMLElement.prototype.flatpickr = function (config) {
        return _flatpickr([this], config);
    };
}

/* istanbul ignore next */
function flatpickr(selector, config) {
    if (selector instanceof NodeList) return _flatpickr(selector, config);else if (!(selector instanceof HTMLElement)) return _flatpickr(window.document.querySelectorAll(selector), config);

    return _flatpickr([selector], config);
}

/* istanbul ignore next */
flatpickr.defaultConfig = FlatpickrInstance.defaultConfig = {
    mode: "single",

    position: "auto",

    animate: window.navigator.userAgent.indexOf("MSIE") === -1,

    // wrap: see https://chmln.github.io/flatpickr/examples/#flatpickr-external-elements
    wrap: false,

    // enables week numbers
    weekNumbers: false,

    // allow manual datetime input
    allowInput: false,

    /*
     clicking on input opens the date(time)picker.
     disable if you wish to open the calendar manually with .open()
     */
    clickOpens: true,

    /*
     closes calendar after date selection,
     unless 'mode' is 'multiple' or enableTime is true
     */
    closeOnSelect: true,

    // display time picker in 24 hour mode
    time_24hr: false,

    // enables the time picker functionality
    enableTime: false,

    // noCalendar: true will hide the calendar. use for a time picker along w/ enableTime
    noCalendar: false,

    // more date format chars at https://chmln.github.io/flatpickr/#dateformat
    dateFormat: "Y-m-d",

    // date format used in aria-label for days
    ariaDateFormat: "F j, Y",

    // altInput - see https://chmln.github.io/flatpickr/#altinput
    altInput: false,

    // the created altInput element will have this class.
    altInputClass: "form-control input",

    // same as dateFormat, but for altInput
    altFormat: "F j, Y", // defaults to e.g. June 10, 2016

    // defaultDate - either a datestring or a date object. used for datetimepicker"s initial value
    defaultDate: null,

    // the minimum date that user can pick (inclusive)
    minDate: null,

    // the maximum date that user can pick (inclusive)
    maxDate: null,

    // dateparser that transforms a given string to a date object
    parseDate: null,

    // dateformatter that transforms a given date object to a string, according to passed format
    formatDate: null,

    getWeek: function getWeek(givenDate) {
        var date = new Date(givenDate.getTime());
        var onejan = new Date(date.getFullYear(), 0, 1);
        return Math.ceil(((date - onejan) / 86400000 + onejan.getDay() + 1) / 7);
    },


    // see https://chmln.github.io/flatpickr/#disable
    enable: [],

    // see https://chmln.github.io/flatpickr/#disable
    disable: [],

    // display the short version of month names - e.g. Sep instead of September
    shorthandCurrentMonth: false,

    // displays calendar inline. see https://chmln.github.io/flatpickr/#inline-calendar
    inline: false,

    // position calendar inside wrapper and next to the input element
    // leave at false unless you know what you"re doing
    "static": false,

    // DOM node to append the calendar to in *static* mode
    appendTo: null,

    // code for previous/next icons. this is where you put your custom icon code e.g. fontawesome
    prevArrow: "<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' viewBox='0 0 17 17'><g></g><path d='M5.207 8.471l7.146 7.147-0.707 0.707-7.853-7.854 7.854-7.853 0.707 0.707-7.147 7.146z' /></svg>",
    nextArrow: "<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' viewBox='0 0 17 17'><g></g><path d='M13.207 8.472l-7.854 7.854-0.707-0.707 7.146-7.146-7.146-7.148 0.707-0.707 7.854 7.854z' /></svg>",

    // enables seconds in the time picker
    enableSeconds: false,

    // step size used when scrolling/incrementing the hour element
    hourIncrement: 1,

    // step size used when scrolling/incrementing the minute element
    minuteIncrement: 5,

    // initial value in the hour element
    defaultHour: 12,

    // initial value in the minute element
    defaultMinute: 0,

    // disable native mobile datetime input support
    disableMobile: false,

    // default locale
    locale: "default",

    plugins: [],

    ignoredFocusElements: [],

    // called every time calendar is closed
    onClose: undefined, // function (dateObj, dateStr) {}

    // onChange callback when user selects a date or time
    onChange: undefined, // function (dateObj, dateStr) {}

    // called for every day element
    onDayCreate: undefined,

    // called every time the month is changed
    onMonthChange: undefined,

    // called every time calendar is opened
    onOpen: undefined, // function (dateObj, dateStr) {}

    // called after the configuration has been parsed
    onParseConfig: undefined,

    // called after calendar is ready
    onReady: undefined, // function (dateObj, dateStr) {}

    // called after input value updated
    onValueUpdate: undefined,

    // called every time the year is changed
    onYearChange: undefined,

    onKeyDown: undefined,

    onDestroy: undefined
};

/* istanbul ignore next */
flatpickr.l10ns = {
    en: {
        weekdays: {
            shorthand: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
            longhand: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
        },
        months: {
            shorthand: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
            longhand: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
        },
        daysInMonth: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
        firstDayOfWeek: 0,
        ordinal: function ordinal(nth) {
            var s = nth % 100;
            if (s > 3 && s < 21) return "th";
            switch (s % 10) {
                case 1:
                    return "st";
                case 2:
                    return "nd";
                case 3:
                    return "rd";
                default:
                    return "th";
            }
        },
        rangeSeparator: " to ",
        weekAbbreviation: "Wk",
        scrollTitle: "Scroll to increment",
        toggleTitle: "Click to toggle"
    }
};

flatpickr.l10ns.default = Object.create(flatpickr.l10ns.en);
flatpickr.localize = function (l10n) {
    return _extends(flatpickr.l10ns.default, l10n || {});
};
flatpickr.setDefaults = function (config) {
    return _extends(flatpickr.defaultConfig, config || {});
};

/* istanbul ignore next */
if (typeof jQuery !== "undefined") {
    jQuery.fn.flatpickr = function (config) {
        return _flatpickr(this, config);
    };
}

Date.prototype.fp_incr = function (days) {
    return new Date(this.getFullYear(), this.getMonth(), this.getDate() + parseInt(days, 10));
};

if (typeof module !== "undefined") module.exports = flatpickr;